Home / 1,177,486.83-1,765,163.80-817,827.50

Finding the Fourth Proportional to 1,177,486.83, 1,765,163.80 and 817,827.50

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Solution

The fourth proportional to 1,177,486.83, 1,765,163.80 and 817,827.50 is: 1,226,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,486.83 : 1,765,163.80 = 817,827.50 : x
  2. Step 2: Convert to fraction form
    1,177,486.83/1,765,163.80 = 817,827.50/x
  3. Step 3: Cross multiply
    1,177,486.83x = 1,765,163.80 × 817,827.50
  4. Step 4: Simplify right side
    1,177,486.83x = 1,443,599,500,012.84
  5. Step 5: Solve for x
    x = 1,443,599,500,012.84/1,177,486.83
  6. Step 6: Final answer
    x = 1,226,000.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.